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Message-ID: <202304251257.oiVqQ5cl-lkp@intel.com>
Date: Tue, 25 Apr 2023 12:48:32 +0800
From: kernel test robot <lkp@...el.com>
To: Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>, patrick@...cx.xyz,
Guenter Roeck <linux@...ck-us.net>,
Jean Delvare <jdelvare@...e.com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
linux-i2c@...r.kernel.org, linux-hwmon@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 2/2] hwmon: pmbus: Add ltc4286 driver
Hi Delphine,
kernel test robot noticed the following build errors:
[auto build test ERROR on groeck-staging/hwmon-next]
[also build test ERROR on linus/master v6.3 next-20230424]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Delphine-CC-Chiu/dt-bindings-hwmon-Add-lltc-ltc4286-driver-bindings/20230424-181521
base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next
patch link: https://lore.kernel.org/r/20230424101352.28117-3-Delphine_CC_Chiu%40Wiwynn.com
patch subject: [PATCH v1 2/2] hwmon: pmbus: Add ltc4286 driver
config: riscv-randconfig-r021-20230425 (https://download.01.org/0day-ci/archive/20230425/202304251257.oiVqQ5cl-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 437b7602e4a998220871de78afcb020b9c14a661)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# https://github.com/intel-lab-lkp/linux/commit/318b8a252bb2d7430f1cf7b93bb5df8d0e4fee29
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Delphine-CC-Chiu/dt-bindings-hwmon-Add-lltc-ltc4286-driver-bindings/20230424-181521
git checkout 318b8a252bb2d7430f1cf7b93bb5df8d0e4fee29
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/hwmon/pmbus/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304251257.oiVqQ5cl-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
>> drivers/hwmon/pmbus/ltc4286.c:46:24: warning: implicit conversion from 'double' to 'int' changes value from 273.15 to 273 [-Wliteral-conversion]
.b[PSC_TEMPERATURE] = 273.15,
^~~~~~
>> drivers/hwmon/pmbus/ltc4286.c:134:11: error: incompatible function pointer types initializing 'int (*)(struct i2c_client *)' with an expression of type 'int (struct i2c_client *, const struct i2c_device_id *)' [-Wincompatible-function-pointer-types]
.probe = ltc4286_probe,
^~~~~~~~~~~~~
1 warning and 1 error generated.
vim +134 drivers/hwmon/pmbus/ltc4286.c
25
26 static struct pmbus_driver_info ltc4286_info = {
27 .pages = 1,
28 .format[PSC_VOLTAGE_IN] = direct,
29 .format[PSC_VOLTAGE_OUT] = direct,
30 .format[PSC_CURRENT_OUT] = direct,
31 .format[PSC_POWER] = direct,
32 .format[PSC_TEMPERATURE] = direct,
33 .m[PSC_VOLTAGE_IN] = 32,
34 .b[PSC_VOLTAGE_IN] = 0,
35 .R[PSC_VOLTAGE_IN] = 1,
36 .m[PSC_VOLTAGE_OUT] = 32,
37 .b[PSC_VOLTAGE_OUT] = 0,
38 .R[PSC_VOLTAGE_OUT] = 1,
39 .m[PSC_CURRENT_OUT] = 1024,
40 .b[PSC_CURRENT_OUT] = 0,
41 .R[PSC_CURRENT_OUT] = 3 - 6,
42 .m[PSC_POWER] = 1,
43 .b[PSC_POWER] = 0,
44 .R[PSC_POWER] = 4 - 6,
45 .m[PSC_TEMPERATURE] = 1,
> 46 .b[PSC_TEMPERATURE] = 273.15,
47 .R[PSC_TEMPERATURE] = 0,
48 .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT |
49 PMBUS_HAVE_PIN | PMBUS_HAVE_TEMP,
50 };
51
52 static int ltc4286_probe(struct i2c_client *client,
53 const struct i2c_device_id *id)
54 {
55 int ret;
56 u8 block_buffer[I2C_SMBUS_BLOCK_MAX + 1];
57 struct device *dev = &client->dev;
58 struct pmbus_driver_info *info;
59 u32 rsense;
60
61 ret = i2c_smbus_read_block_data(client, PMBUS_MFR_ID, block_buffer);
62 if (ret < 0) {
63 dev_err(&client->dev, "failed to read manufacturer id\n");
64 return ret;
65 }
66
67 /* Refer to ltc4286 datasheet page 20
68 * the default manufacturer id is LTC
69 */
70 if (ret != LTC4286_MFR_ID_SIZE ||
71 strncmp(block_buffer, "LTC", LTC4286_MFR_ID_SIZE)) {
72 dev_err(&client->dev, "unsupported manufacturer id\n");
73 return -ENODEV;
74 }
75
76 ret = i2c_smbus_read_block_data(client, PMBUS_MFR_MODEL, block_buffer);
77 if (ret < 0) {
78 dev_err(&client->dev, "failed to read manufacturer model\n");
79 return ret;
80 }
81
82 ret = of_property_read_u32(client->dev.of_node, "rsense-micro-ohms",
83 &rsense);
84 if (ret < 0)
85 return ret;
86
87 if (rsense == 0)
88 return -EINVAL;
89
90 info = <c4286_info;
91
92 /* Default of VRANGE_SELECT = 1 */
93 if (device_property_read_bool(dev, "vrange_select_25p6")) {
94 /* Setup MFR1 CONFIG register bit 1 VRANGE_SELECT */
95 ret = i2c_smbus_read_word_data(client, LTC4286_MFR_CONFIG1);
96 if (ret < 0) {
97 dev_err(&client->dev,
98 "failed to read manufacturer configuration one\n");
99 return ret;
100 }
101
102 ret &= ~VRANGE_SELECT; /* VRANGE_SELECT = 0, 25.6V */
103 i2c_smbus_write_word_data(client, LTC4286_MFR_CONFIG1, ret);
104
105 info->m[PSC_VOLTAGE_IN] = 128;
106 info->m[PSC_VOLTAGE_OUT] = 128;
107 info->m[PSC_POWER] = 4 * rsense;
108 } else {
109 info->m[PSC_POWER] = rsense;
110 }
111
112 info->m[PSC_CURRENT_OUT] = 1024 * rsense;
113
114 return pmbus_do_probe(client, info);
115 }
116
117 static const struct i2c_device_id ltc4286_id[] = { { "ltc4286", ltc4286 },
118 { "ltc4287", ltc4287 },
119 {} };
120 MODULE_DEVICE_TABLE(i2c, ltc4286_id);
121
122 static const struct of_device_id ltc4286_of_match[] = {
123 { .compatible = "lltc,ltc4286" },
124 { .compatible = "lltc,ltc4287" },
125 {}
126 };
127
128 /* This is the driver that will be inserted */
129 static struct i2c_driver ltc4286_driver = {
130 .driver = {
131 .name = "ltc4286",
132 .of_match_table = ltc4286_of_match,
133 },
> 134 .probe = ltc4286_probe,
135 .id_table = ltc4286_id,
136 };
137
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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